<div ms-controller="msHtmlA">
    <button ms-click="@getRootFun" style="width: 200px;height: 200px">尝试ms-html中触发root方法</button>
    <br>
    <button ms-click="@getMsHtmlAFun" style="width: 200px;height: 200px">尝试触发MsHtmlA方法</button>
</div>